– See: Total Hip Replacement Menu: – General Discussion of Bone Scans: – Normal THR: – normal study (minimal reative bone formation) may be expected from months to a year after placement; – area of lesser trochanter to midshaft of prosthesis usually becomes normal in about … Read more
– See: – adolescent blounts: – growth plate anatomy – Infantile Blounts Disease: (pathologic tibia vara) – differential diagnosis and examination (see genu varum) – most common form of disease; – growth disorder of medial portion of proximal tibial physis; – … Read more
– Discussion: – embolization in pts who have sustained vascular injures from pelvic frx is the most direct means for controling of hemorrhage; – when bleeding originates from major arteries only effective technique is direct approach to the vessels; – embolization avoids the retroperitoneal contamination that … Read more
– Discussion: – blood is supplied to vertebral column by way of segmental arteries that arise near it from the aorta, or from adjacent arteries in areas beyond the extent of the aorta; – costocervical & intercostal arteries in thorax; lumbar and iliolumbar arteries in lumbar region; and lateral sacral … Read more
– See: – Anastomosis of lower limb arteries – Arterial supply of the femur – AVN of femoral head; – AVN following femoral neck fracture – Anatomy: – extracapsular arterieal ring at the base of the femoral neck; … Read more
– See: – Total Hip Replacement Menu: – International Bipolar News – Discussion: – Gilberty & Bateman in 1974, reported use of bipolar prosthesis; – rationale was that erosion and protrusion of acetabulum would be less because motion is present between metal head & … Read more
– Discussion: – may be accomplished with a large needle or by open surgical methods; – things to consider before biopsy: – has the workup established metastatic dz (most common in patients over 40) vs isolated bone / soft tissue tumor vs infection (osteomyelitis); – studies that may be performed prior to biopsy: … Read more
– See: – Closed Reduction – Gravity Method of Stimson – Discussion: – pt lies supine, & assistant applies countertraction by downward pressure on the ASIS; – surgeon grasps affected limb at ankle w/ one hand, places opposite forearm behind the knee, and applies longitudinal traction in line of deformity; – adducted & internally rotated … Read more
– Anatomy: – origin: – long head: ischial tuberosity and the sacrotuberous ligament; – short head: lateral lip of linea aspera, lateral supracondyle of femur and lateral intermuscular septum; – insertion: – lateral sides of the head of the … Read more
– See: – Congenital Hip Dislocation – Ortolani’s test – Discussion: – Barlow’s test identifies unstable hip that lies in the reduced position but can be passively dislocated (and hence unstable); – less than 2% of infants will have a positive Barlow test; … Read more